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Location: cpp/openttd-patchpack/source/src/saveload/labelmaps_sl.cpp
r15322:29a1524c8399
3.1 KiB
text/x-c
(svn r19973) -Codechange: Add another procedure to chunk handlers for checking savegames (empty for now).
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file labelmaps_sl.cpp Code handling saving and loading of rail type label mappings */
#include "../stdafx.h"
#include "../station_map.h"
#include "../tunnelbridge_map.h"
#include "saveload.h"
static SmallVector<RailTypeLabel, RAILTYPE_END> _railtype_list;
/**
* Test if any saved rail type labels are different to the currently loaded
* rail types, which therefore requires conversion.
* @return true if (and only if) conversion due to rail type changes is needed.
*/
static bool NeedRailTypeConversion()
{
for (uint i = 0; i < _railtype_list.Length(); i++) {
if ((RailType)i < RAILTYPE_END) {
const RailtypeInfo *rti = GetRailTypeInfo((RailType)i);
if (rti->label != _railtype_list[i]) return true;
} else {
if (_railtype_list[i] != 0) return true;
}
}
/* No rail type conversion is necessary */
return false;
}
void AfterLoadLabelMaps()
{
if (NeedRailTypeConversion()) {
SmallVector<RailType, RAILTYPE_END> railtype_conversion_map;
for (uint i = 0; i < _railtype_list.Length(); i++) {
RailType r = GetRailTypeByLabel(_railtype_list[i]);
if (r == INVALID_RAILTYPE) r = RAILTYPE_BEGIN;
*railtype_conversion_map.Append() = r;
}
for (TileIndex t = 0; t < MapSize(); t++) {
switch (GetTileType(t)) {
case MP_RAILWAY:
SetRailType(t, railtype_conversion_map[GetRailType(t)]);
break;
case MP_ROAD:
if (IsLevelCrossing(t)) {
SetRailType(t, railtype_conversion_map[GetRailType(t)]);
}
break;
case MP_STATION:
if (HasStationRail(t)) {
SetRailType(t, railtype_conversion_map[GetRailType(t)]);
}
break;
case MP_TUNNELBRIDGE:
if (GetTunnelBridgeTransportType(t) == TRANSPORT_RAIL) {
SetRailType(t, railtype_conversion_map[GetRailType(t)]);
}
break;
default:
break;
}
}
}
_railtype_list.Clear();
}
/** Container for a label for SaveLoad system */
struct LabelObject {
uint32 label;
};
static const SaveLoad _label_object_desc[] = {
SLE_VAR(LabelObject, label, SLE_UINT32),
SLE_END(),
};
static void Save_RAIL()
{
LabelObject lo;
for (RailType r = RAILTYPE_BEGIN; r != RAILTYPE_END; r++) {
lo.label = GetRailTypeInfo(r)->label;
SlSetArrayIndex(r);
SlObject(&lo, _label_object_desc);
}
}
static void Load_RAIL()
{
_railtype_list.Clear();
LabelObject lo;
int index;
while ((index = SlIterateArray()) != -1) {
SlObject(&lo, _label_object_desc);
*_railtype_list.Append() = (RailTypeLabel)lo.label;
}
}
extern const ChunkHandler _labelmaps_chunk_handlers[] = {
{ 'RAIL', Save_RAIL, Load_RAIL, NULL, NULL, CH_ARRAY | CH_LAST},
};
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